A sensor module having a gear assembly includes a sensor housing configured to at least partially rotatably receive a drive gear; a shaft assembly extends through the drive gear; the drive gear havinga first drive gear tooth , a second drive gear tooth, and a drive gear tooth root disposed between the first drive gear tooth and the second drive gear tooth. A gear is also provided and includes a gear body and a first gear tooth. The gear body extends radially between an outer portion and an inner portion. The first gear tooth has a first tooth portion, a second tooth portion, and a first slot.The first tooth portion extends radially from the outer portion towards a first land. The second tooth portion is circumferentially spaced apart from the first tooth portion and extends radially fromthe outer portion towards a second land. The first slot is defined between the first tooth portion and the second tooth portion and extends from at least one of the first land and the second land towards a first slot root.